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MathGroup Archive 2006

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Change CellTags with FrontEnd

  • To: mathgroup at smc.vnet.net
  • Subject: [mg68416] Change CellTags with FrontEnd
  • From: "mqh" <mhla at gmx.at>
  • Date: Fri, 4 Aug 2006 03:59:30 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

I'd like to change the celltags of several cells that are not adjacent
via a program (not via the menu). Doing this for one cell is no
problem: I use a rule like

{Cell[a_, st_String, b___, CellTags -> tgs_, c___] :>
    Cell[a, st, b, CellTags -> Union[Flatten[{tgs, newtag}]], c],
Cell[a_, st_String, b___ /; FreeQ[{b}, CellTags, \[Infinity]]] :>
    Cell[a, st, b, CellTags -> settag]}.

The problem arises now if several cells are selected: I read them in,
apply the rule and paste them back, but the new cells appear now at the
wrong place. One can simply imitate this behaviour of M by selecting
several not adjacent cells and doing copy and paste: One will see that
the cells are pasted at the wrong place.
Doing the same thing via the menu entry Find > Add/Remove Cell Tags
this is no problem at all. So it appears to me that a solution using
the FrontEnd would be the best thing. But: I can find no documentation
about a FrontEndToken like "AddCellTags". The best thing I can do is
use

FrontEndTokenExecute[CellTagsEditDialog]

to open the dialog to change CellTags, but this is not what I want.
So can anybody tell me if there is an additional FrontEndToken that can
do what I want or has another idea? It should work for M4.0 - M5.2.


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